PERFORMANSI MOTOR BENSIN SEPEDA MOTOR SUZUKI SMASH 110 CC DENGAN BAHAN BAKAR CAMPURAN BENSIN DAN “CAP TIKUS”

Mario Herlen Pajow, Hardi Gunawan, Tertius Viktor Yefta Ulaan

Abstract


One solution in utilization of fossil fuel in a motorcycle with gasoline engine is mixing the gasoline with methanol. In this research, a test was conducted on a year 2003 edition Suzuki Smash 110 cc motorcycle to measure is fuel consumption using the methanol gasoline mixture. The methanol used in this research is a traditional Minahasa liquor which is called “Cap Tikus”. The traditional liquor then mixed with gasoline with 5, 10, and 15% volume ratio.In this research, it is assumed that the contents of gasoline is octane (C8H18) and that “Cap Tikus” contains 65% methanol (CH3OH) and 35% water (H2O). From the calculations, it is obtained that upper heating values of the mixture fuel are 12.225; 11.775; 11.261; and 10.744 kkal/kg for 0, 5, 10, and 15% volume proportion of “Cap Tikus” respectively. From tests it is obtained that specific fuel consumption values 0,073; 0,076; 0,079; and 0,081kg/kWh for 0, 5, 10, and 15% of mixture.The calculated theorical power using the heating values of the fuel are 0,575; 0,525; 0,475; and 0,425 hp for the mixing fuel with 0, 5, 10, and 15% volume proportion of “Cap Tikus”. The result showed that mixing gasoline with methanol up to 15% volume ratio is not increased the power of the engine.Keywords : Suzuki Smash Engine, Methanol, Fuel Consumption.

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